public class StringDemo2{
   public static void main(String[] args){
      String text = "hello";
	  System.out.println("the string's content: " + text);
	  System.out.println("the string's length: " + text.length());
	  System.out.println("Lower case output: " + text.toLowerCase());
	  System.out.println("Upper case output: " + text.toUpperCase());
	  System.out.println("equals to hello?"+text.equals("hello"));
   }
   
}